Claude Haiku 4.5 is Anthropic's fastest model, offering near-frontier intelligence at $1/$5 per 1M tokens. It is the top pick for latency-sensitive customer-facing applications and high-throughput extraction pipelines that still need Claude-quality reasoning.
Pricing Breakdown
| Volume | Input Cost | Output Cost | Combined (50/50) |
|---|---|---|---|
| 1,000 tokens | $0.0010 | $0.0050 | $0.0030 |
| 10,000 tokens | $0.0100 | $0.0500 | $0.0300 |
| 100,000 tokens | $0.1000 | $0.5000 | $0.3000 |
| 1,000,000 tokens | $1.0000 | $5.0000 | $3.0000 |
Strengths
- ✓Near-frontier intelligence at the lowest Claude price tier
- ✓Fastest Claude model
- ✓200K context window
- ✓Extended thinking supported
- ✓64K max output tokens
Weaknesses
- ✗Smaller context window than Sonnet and Opus
- ✗Weaker on the hardest reasoning tasks vs. Sonnet 4.6
Compare Claude Haiku 4.5 With
Frequently Asked Questions
How much does Claude Haiku 4.5 cost?
Claude Haiku 4.5 costs $1.00/1M per 1M input tokens and $5.00/1M per 1M output tokens.
What is Claude Haiku 4.5's context window?
Claude Haiku 4.5 has a context window of 200K tokens, which means it can process up to 200,000 tokens in a single request.
Is Claude Haiku 4.5 open source?
No, Claude Haiku 4.5 is a proprietary model by Anthropic and is not open source.
What is Claude Haiku 4.5 best used for?
Claude Haiku 4.5 is best suited for: fast-response, customer-support, summarization, data-extraction, low-cost. Near-frontier intelligence at the lowest Claude price tier.
What is Claude Haiku 4.5's ELO score?
Claude Haiku 4.5 has an ELO score of 1320 on the LMSYS Chatbot Arena leaderboard, placing it among top-tier models.